#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main() {
//	system("start https://www.lanqiao.cn/problems/3863/learning/");

	int sum, x;
	cin >> sum >> x;

	int n = sum % x;

	if ((sum - n) / x >= n)
		cout << "yes";
	else
		cout << "no";

	return 0;
}
